River Birch thrives in consistently moist soil. Water deeply when the top 2-3 cm of soil feels dry. Avoid waterlogged conditions, but never let the soil dry out completely, especially during its establishment phase.

More frequent watering may be needed during hot, dry spells.

Prune River Birch primarily to remove dead, damaged, or crossing branches. Perform major pruning in late winter or early spring before sap flow becomes vigorous. Light shaping can be done after flowering if desired.

Avoid excessive pruning, as it can stress the tree.

River Birch can be propagated from seed, which requires stratification. Semi-hardwood cuttings taken in summer and treated with rooting hormone can also be successful.

Grafting is another method, often used for specific cultivars, typically performed in late winter.

Repot young River Birch trees every 2-3 years in early spring before new growth begins. Use a well-draining potting mix.

For established trees, repotting is rarely necessary unless the tree is root-bound or being moved to a new location. Ensure adequate root space.